$80+ Cheap flights from Charlotte to Ontario (CLT - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ONT
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Charlotte to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Charlotte Douglas to Ontario are usually found in September or August, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Charlotte to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charlotte to OntarioExplore the most affordable flight options available from Charlotte to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Charlotte to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:58 pm
CLT
- ONT
1 stop16h 10m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Wed 5/138:06 pm
ONT
- CLT
1 stop13h 35m
Frontier
Deal found 4/13![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:20 pm
CLT
- ONT
1 stop9h 29m
Frontier
Thu 5/148:06 pm
ONT
- CLT
1 stop13h 35m
Frontier
Deal found 4/12![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:58 pm
CLT
- ONT
1 stop17h 22m
Frontier
Sat 5/95:59 pm
ONT
- CLT
1 stop15h 42m
Frontier
Deal found 4/12![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:49 pm
CLT
- ONT
1 stop7h 06m
Frontier
Sun 5/312:59 am
ONT
- CLT
1 stop13h 24m
Frontier
Deal found 4/12![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Thu 5/2111:51 am
ONT
- CLT
1 stop16h 08m
Frontier
Deal found 4/14![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:51 pm
CLT
- ONT
1 stop9h 04m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:51 pm
CLT
- ONT
1 stop9h 04m
Frontier
Sun 5/312:59 am
ONT
- CLT
1 stop13h 24m
Frontier
Deal found 4/12![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:20 pm
CLT
- ONT
1 stop19h 45m
Frontier
Sun 5/108:30 am
ONT
- CLT
1 stop6h 56m
Frontier
Deal found 4/13![Frontier logo]()
$192
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:57 pm
CLT
- ONT
1 stop28h 41m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$193
This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Fri 5/228:06 pm
ONT
- CLT
1 stop16h 54m
Frontier
Deal found 4/16![Frontier logo]()
$198
Best flights from Charlotte to OntarioDiscover carefully curated flight deals from Charlotte to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Charlotte to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:30 am
CLT
- ONT
2 stops11h 20m
Southwest
Thu 6/49:40 pm
ONT
- CLT
2 stops10h 15m
Southwest
Deal found 4/13![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:37 pm
CLT
- ONT
1 stop8h 08m
Delta
Sat 5/237:05 am
ONT
- CLT
1 stop6h 40m
Delta
Deal found 4/16![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:00 am
CLT
- ONT
1 stop6h 38m
Delta
Fri 8/1412:00 pm
ONT
- CLT
1 stop6h 38m
Delta
Deal found 4/14![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:45 pm
CLT
- ONT
2 stops10h 55m
Southwest
Sun 5/178:10 am
ONT
- CLT
1 stop9h 00m
Southwest
Deal found 4/12![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:35 am
CLT
- ONT
1 stop8h 22m
Delta
Fri 6/510:00 pm
ONT
- CLT
2 stops11h 14m
Delta
Deal found 4/13![Delta logo]()
$463
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:15 am
CLT
- ONT
2 stops9h 55m
Southwest
Mon 5/188:10 am
ONT
- CLT
2 stops10h 50m
Southwest
Deal found 4/14![Southwest logo]()
$507
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:30 am
CLT
- ONT
1 stop8h 34m
Delta
Fri 8/286:00 am
ONT
- CLT
1 stop7h 43m
Delta
Deal found 4/15![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:45 am
CLT
- ONT
1 stop7h 19m
Delta
Mon 9/2112:00 pm
ONT
- CLT
1 stop6h 38m
Delta
Deal found 4/16![Delta logo]()
$473
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:45 pm
CLT
- ONT
2 stops10h 55m
Southwest
Mon 5/1111:35 am
ONT
- CLT
2 stops8h 05m
Southwest
Deal found 4/14![Southwest logo]()
$527
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:52 pm
CLT
- ONT
1 stop8h 52m
Delta
Mon 8/39:40 am
ONT
- CLT
2 stops9h 17m
Delta
Deal found 4/15![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:52 pm
CLT
- ONT
1 stop8h 52m
Delta
Thu 7/2310:00 pm
ONT
- CLT
2 stops18h 32m
Delta
Deal found 4/15![Delta logo]()
$509
Last-minute flights from Charlotte to OntarioDiscover last-minute flight deals from Charlotte to Ontario. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Ontario. Data last updated April 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:49 pm
CLT
- ONT
1 stop7h 06m
Frontier
Sun 5/312:59 am
ONT
- CLT
1 stop13h 24m
Frontier
Deal found 4/12![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:51 pm
CLT
- ONT
1 stop9h 04m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:51 pm
CLT
- ONT
1 stop9h 04m
Frontier
Sun 5/312:59 am
ONT
- CLT
1 stop13h 24m
Frontier
Deal found 4/12![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:57 pm
CLT
- ONT
1 stop28h 41m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$193
This Booking.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:20 pm
CLT
- ONT
1 stop9h 29m
Frontier
Thu 5/148:06 pm
ONT
- CLT
1 stop13h 35m
Frontier
Deal found 4/12![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:20 pm
CLT
- ONT
1 stop19h 45m
Frontier
Sun 5/108:30 am
ONT
- CLT
1 stop6h 56m
Frontier
Deal found 4/13![Frontier logo]()
$192
This Booking.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:58 pm
CLT
- ONT
1 stop17h 22m
Frontier
Sat 5/95:59 pm
ONT
- CLT
1 stop15h 42m
Frontier
Deal found 4/12![Frontier logo]()
$172
This Booking.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Wed 5/138:06 pm
ONT
- CLT
1 stop13h 35m
Frontier
Deal found 4/13![Frontier logo]()
$162
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Thu 5/2111:51 am
ONT
- CLT
1 stop16h 08m
Frontier
Deal found 4/14![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Fri 5/228:06 pm
ONT
- CLT
1 stop16h 54m
Frontier
Deal found 4/16![Frontier logo]()
$198
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:58 pm
CLT
- ONT
1 stop16h 10m
Frontier
Tue 5/264:39 pm
ONT
- CLT
1 stop11h 20m
Frontier
Deal found 4/14![Frontier logo]()
$160
One-way flights from Charlotte to OntarioSearch for one-way flight options from Charlotte to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Charlotte to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:20 pm
CLT
- ONT
1 stop9h 29m
Frontier
Deal found 4/14![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:12 pm
CLT
- ONT
1 stop19h 23m
Frontier
Deal found 4/13![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:49 pm
CLT
- ONT
1 stop7h 06m
Frontier
Deal found 4/14![Frontier logo]()
$99
This Booking.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:51 pm
CLT
- ONT
1 stop9h 04m
Frontier
Deal found 4/14![Frontier logo]()
$100
This Super.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:57 pm
CLT
- ONT
1 stop28h 41m
Frontier
Deal found 4/13![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:12 pm
CLT
- ONT
1 stop28h 26m
Frontier
Deal found 4/14![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Deal found 4/16![Frontier logo]()
$109
This CheapOair deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:58 pm
CLT
- ONT
1 stop17h 22m
Frontier
Deal found 4/15![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/115:58 pm
CLT
- ONT
1 stop16h 37m
Frontier
Deal found 4/14![Frontier logo]()
$116
Find flight deals from Charlotte to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (CheapOair) |
Popular in | March |
Cheapest in | September |
Average price | $460 |
Good round-trip deal | $485 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Charlotte to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Charlotte to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Mon 6/1
7:30 am-3:50 pm
2 stops11h 20m
Ontario
Thu 6/4
9:40 pm-10:55 am
2 stops10h 15m
$438
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 5/16
5:37 pm-10:45 pm
1 stop8h 08m
Ontario
Sat 5/23
7:05 am-4:45 pm
1 stop6h 40m
$443
Quickest round-trip
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 8/8
7:00 am-10:38 am
1 stop6h 38m
Ontario
Fri 8/14
12:00 pm-9:38 pm
1 stop6h 38m
$458
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 5/29
5:35 am-10:57 am
1 stop8h 22m
Ontario
Fri 6/5
10:00 pm-12:14 pm
2 stops11h 14m
$463
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 8/21
5:30 am-11:04 am
1 stop8h 34m
Ontario
Fri 8/28
6:00 am-4:43 pm
1 stop7h 43m
$473
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Thu 9/17
6:45 am-11:04 am
1 stop7h 19m
Ontario
Mon 9/21
12:00 pm-9:38 pm
1 stop6h 38m
$473
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 7/31
5:52 pm-11:44 pm
1 stop8h 52m
Ontario
Mon 8/3
9:40 am-9:57 pm
2 stops9h 17m
$478
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 5/15
12:45 pm-8:40 pm
2 stops10h 55m
Ontario
Sun 5/17
8:10 am-8:10 pm
1 stop9h 00m
$492
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 5/8
6:15 am-1:10 pm
2 stops9h 55m
Ontario
Mon 5/18
8:10 am-10:00 pm
2 stops10h 50m
$507
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 7/17
5:52 pm-11:44 pm
1 stop8h 52m
Ontario
Thu 7/23
10:00 pm-7:32 pm
2 stops18h 32m
$509
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Charlotte to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charlotte to Ontario in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charlotte-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charlotte-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charlotte-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charlotte-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charlotte-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Charlotte to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Charlotte with our price prediction graph.
CLT-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Charlotte to Ontario
How far ahead should I book a flight from Charlotte to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Charlotte to Ontario. Price data was last updated on April 10, 2026.
The best time to book flights from Charlotte to Ontario is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Charlotte to Ontario?
Currently, September is the cheapest month in which you can book a flight from Charlotte to Ontario (average of $348). Flying from Charlotte to Ontario in March is currently the most expensive (average of $523). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CLT to ONT?
Find hourly flight availability from Charlotte to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charlotte to Ontario as you normally would.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated April 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Charlotte to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Charlotte to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Charlotte to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charlotte to Ontario by cabin class
Find flights from Charlotte to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Charlotte and Ontario flights
Browse other Charlotte and Ontario flight options. Last updated on April 17, 2026.
Other flights from Charlotte
Browse through other flights departing from Charlotte. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Charlotte to Ontario
Discover the top 6 airlines that operate flights from Charlotte to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$263 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$190 | Average$320 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$442 | FlexibilityNo cancel fee | On-time69% |